| %and% | Get Intersection Set for Sets |
| %not% | Get Elements only Existed in Dataset a |
| %or% | Get Union Set for Sets |
| and | Get Intersection Set for Sets |
| combination | Combination of Characters or Vectors |
| grep | Grep for vectors |
| grepl | Grepl for vectors |
| grepl_and | Grepl for vectors |
| grepl_not_and | Grepl for vectors |
| grepl_not_or | Grepl for vectors |
| grepl_or | Grepl for vectors |
| grep_and | Grep for vectors |
| grep_not_and | Grep for vectors |
| grep_not_or | Grep for vectors |
| grep_or | Grep for vectors |
| not | Get Elements only Existed in Dataset a |
| or | Get Union Set for Sets |